/* style.css */
:root {
    --apple-black: #1d1d1f;
    --apple-dark-gray: #424245;
    --apple-gray: #86868b;
    --apple-light-gray: #d2d2d7;
    --apple-bg-gray: #f5f5f7;
    --apple-blue: #0071e3;
    --apple-light-blue: #2997ff;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--apple-black);
    line-height: 1.47059;
    font-weight: 400;
    letter-spacing: -0.022em;
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.022em;
}

.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 22px;
}

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--apple-light-gray);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 44px;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--apple-black);
    font-weight: 600;
    font-size: 21px;
}

.apple-logo svg {
    margin-right: 8px;
}

.logo span {
    font-size: 21px;
    font-weight: 600;
}

nav ul {
    display: flex;
    list-style: none;
}

nav li {
    margin-left: 24px;
}

nav a {
    text-decoration: none;
    color: var(--apple-dark-gray);
    font-size: 12px;
    font-weight: 400;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--apple-blue);
}

.nav-cta {
    color: var(--apple-blue);
    font-weight: 500;
}

/* Hero Section */
#hero {
    padding: 120px 0 80px;
    text-align: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.hero-content h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.003em;
}

.hero-content p {
    font-size: 28px;
    color: var(--apple-dark-gray);
    max-width: 800px;
    margin: 0 auto 40px;
    font-weight: 400;
    line-height: 1.42859;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.button {
    display: inline-block;
    padding: 12px 22px;
    border-radius: 980px;
    text-decoration: none;
    font-size: 17px;
    font-weight: 400;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
}

.primary-button {
    background-color: var(--apple-blue);
    color: var(--white);
    border: 1px solid var(--apple-blue);
}

.primary-button:hover {
    background-color: #0077ED;
}

.secondary-button {
    background-color: transparent;
    color: var(--apple-blue);
    border: 1px solid var(--apple-blue);
}

.secondary-button:hover {
    background-color: rgba(0, 113, 227, 0.1);
}

/* Sections */
section {
    padding: 80px 0;
}

.light-section {
    background-color: var(--apple-bg-gray);
}

h2 {
    font-size: 40px;
    text-align: center;
    margin-bottom: 60px;
    font-weight: 600;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-item {
    text-align: center;
    padding: 30px 20px;
    background-color: var(--white);
    border-radius: 18px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.service-icon {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}

.service-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 600;
}

.service-item p {
    color: var(--apple-dark-gray);
    line-height: 1.5;
}

/* Advantages */
.advantages-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.advantage-item {
    text-align: center;
    padding: 0 20px;
}

.advantage-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.advantage-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 600;
}

.advantage-item p {
    color: var(--apple-dark-gray);
    line-height: 1.5;
}

/* Testimonials */
.testimonials {
    max-width: 700px;
    margin: 0 auto;
}

.yorum-item {
    background-color: var(--white);
    padding: 40px;
    border-radius: 18px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.yorum-item p {
    font-size: 21px;
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.5;
}

.yorum-item footer {
    font-weight: 600;
    color: var(--apple-dark-gray);
}

/* Contact Form */
.contact-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-box p {
    margin-bottom: 40px;
    color: var(--apple-dark-gray);
    font-size: 19px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

input, textarea {
    padding: 15px;
    border: 1px solid var(--apple-light-gray);
    border-radius: 12px;
    font-size: 17px;
    font-family: inherit;
    transition: border-color 0.3s;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--apple-blue);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--apple-bg-gray);
    padding-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.col h3 {
    font-size: 19px;
    margin-bottom: 15px;
    font-weight: 600;
}

.col p, .col li {
    margin-bottom: 10px;
    color: var(--apple-dark-gray);
    line-height: 1.5;
}

.col ul {
    list-style: none;
}

.col a {
    color: var(--apple-dark-gray);
    text-decoration: none;
    transition: color 0.3s;
}

.col a:hover {
    color: var(--apple-blue);
}

.copyright {
    border-top: 1px solid var(--apple-light-gray);
    padding: 20px 0;
    text-align: center;
    color: var(--apple-gray);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        height: auto;
        padding: 15px 0;
    }
    
    nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav li {
        margin: 5px 10px;
    }
    
    .hero-content h1 {
        font-size: 40px;
    }
    
    .hero-content p {
        font-size: 21px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .button {
        width: 100%;
        max-width: 300px;
        margin-bottom: 15px;
    }
    
    h2 {
        font-size: 32px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-list {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 60px 0;
    }
}